Re: [PATCH net-next v3] net: dsa: mv88e6xxx: Prevent suspend to RAM

[David Miller]

From: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Date: Tue,  5 Feb 2019 12:07:28 +0100

> On one hand, the mv88e6xxx driver has a work queue called in loop
> which will attempt register accesses after MDIO bus suspension, that
> entirely freezes the platform during suspend.
> 
> On the other hand, the DSA core is not ready yet to support suspend to
> RAM operation because so far there is no way to recover reliably the
> switch configuration.
> 
> To avoid the kernel to freeze when suspending with a switch driven by
> the mv88e6xxx driver, we choose to prevent the driver suspension and
> in the same way, the whole platform.
> 
> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>

Applied to net-next, thanks.